WO2009031471A1 - 内燃機関の排気浄化システム - Google Patents

内燃機関の排気浄化システム Download PDF

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Publication number
WO2009031471A1
WO2009031471A1 PCT/JP2008/065560 JP2008065560W WO2009031471A1 WO 2009031471 A1 WO2009031471 A1 WO 2009031471A1 JP 2008065560 W JP2008065560 W JP 2008065560W WO 2009031471 A1 WO2009031471 A1 WO 2009031471A1
Authority
WO
WIPO (PCT)
Prior art keywords
sox
combustion
rich
nox catalyst
type nox
Prior art date
Application number
PCT/JP2008/065560
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Mikio Inoue
Original Assignee
Toyota Jidosha Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to AT08829855T priority Critical patent/ATE547595T1/de
Priority to CN2008801040969A priority patent/CN101784769B/zh
Priority to US12/674,784 priority patent/US8511070B2/en
Priority to EP08829855A priority patent/EP2187008B1/de
Publication of WO2009031471A1 publication Critical patent/WO2009031471A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F02D41/028—Desulfurisation of NOx traps or adsorbent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
    • F02D41/0245—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by increasing temperature of the exhaust gas leaving the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1631—Heat amount provided to exhaust apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
PCT/JP2008/065560 2007-09-04 2008-08-29 内燃機関の排気浄化システム WO2009031471A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT08829855T ATE547595T1 (de) 2007-09-04 2008-08-29 Abgasreinigungssystem für einen verbrennungsmotor
CN2008801040969A CN101784769B (zh) 2007-09-04 2008-08-29 内燃机的排气净化系统
US12/674,784 US8511070B2 (en) 2007-09-04 2008-08-29 Exhaust purification system for internal combustion engine
EP08829855A EP2187008B1 (de) 2007-09-04 2008-08-29 Abgasreinigungssystem für einen verbrennungsmotor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007228944A JP4816599B2 (ja) 2007-09-04 2007-09-04 内燃機関の排気浄化システム
JP2007-228944 2007-09-04

Publications (1)

Publication Number Publication Date
WO2009031471A1 true WO2009031471A1 (ja) 2009-03-12

Family

ID=40428790

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065560 WO2009031471A1 (ja) 2007-09-04 2008-08-29 内燃機関の排気浄化システム

Country Status (6)

Country Link
US (1) US8511070B2 (de)
EP (1) EP2187008B1 (de)
JP (1) JP4816599B2 (de)
CN (1) CN101784769B (de)
AT (1) ATE547595T1 (de)
WO (1) WO2009031471A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102791971A (zh) * 2010-03-15 2012-11-21 丰田自动车株式会社 内燃机的排气净化装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1101391A4 (de) 1998-07-30 2005-01-19 Ion Optics Inc Infrarot strahlenquellen, zusammenstellung von fühlen und quellen, und das verfahren der herstellung
GB2478721B (en) * 2010-03-15 2017-07-05 Gm Global Tech Operations Llc Method for managing a desulphurization phase of a catalyst device of an internal combustion engine.
JP5862868B2 (ja) * 2011-11-18 2016-02-16 三菱自動車工業株式会社 エンジンの排気浄化装置
EP2770178B1 (de) * 2013-02-25 2017-04-05 Cummins Inc. System und Verfahren zur Schwefelrückgewinnung auf einem SCR-Katalysator
EP3020948A4 (de) * 2013-07-11 2016-08-10 Toyota Motor Co Ltd Abgasreinigungsvorrichtung für einen verbrennungsmotor
JP6183401B2 (ja) * 2015-04-02 2017-08-23 トヨタ自動車株式会社 触媒再生処理装置
US10378405B2 (en) 2016-01-20 2019-08-13 Deere & Company Method for managing temperatures in aftertreatment system
JP6512200B2 (ja) * 2016-09-30 2019-05-15 トヨタ自動車株式会社 内燃機関の排気浄化システム
JP6863302B2 (ja) * 2018-01-24 2021-04-21 トヨタ自動車株式会社 ハイブリッド車の排気浄化システム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1150894A (ja) * 1997-07-31 1999-02-23 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JP2002155724A (ja) 2000-09-07 2002-05-31 Toyota Motor Corp 内燃機関の排気浄化装置
JP2003120373A (ja) 2001-10-15 2003-04-23 Toyota Motor Corp 内燃機関の排気浄化装置
JP2004068700A (ja) 2002-08-06 2004-03-04 Toyota Motor Corp 排気ガス浄化方法
JP2004360575A (ja) * 2003-06-04 2004-12-24 Toyota Motor Corp 内燃機関の排気浄化システム
JP2005291130A (ja) * 2004-04-01 2005-10-20 Toyota Motor Corp 内燃機関の排気浄化装置

Family Cites Families (11)

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DE3580606D1 (de) * 1984-03-31 1991-01-03 Mitsubishi Motors Corp Regenerationssystem fuer eine diesel-partikel-oxydierungseinrichtung.
DE19922962C2 (de) * 1999-05-19 2003-02-27 Daimler Chrysler Ag Verfahren zur periodischen Desulfatisierung eines Stickoxid- oder Schwefeloxid-Speichers einer Abgasreinigungsanlage
EP1176290B1 (de) 2000-07-24 2007-02-28 Toyota Jidosha Kabushiki Kaisha Abgasreinigungsvorrichtung für eine Brennkraftmaschine
US6449945B1 (en) * 2001-04-18 2002-09-17 Ford Global Technologies, Inc. Emission control system
US7055311B2 (en) * 2002-08-31 2006-06-06 Engelhard Corporation Emission control system for vehicles powered by diesel engines
US7003944B2 (en) * 2003-03-27 2006-02-28 Ford Global Technologies, Llc Computing device to generate even heating in exhaust system
JP2004339993A (ja) 2003-05-14 2004-12-02 Toyota Motor Corp 内燃機関の排気浄化システム
JP2004346793A (ja) * 2003-05-21 2004-12-09 Mitsubishi Fuso Truck & Bus Corp 内燃機関の排気浄化装置
JP3876874B2 (ja) * 2003-10-28 2007-02-07 トヨタ自動車株式会社 触媒再生方法
US7669410B2 (en) * 2004-11-30 2010-03-02 Isuzu Motors Limited Sulfur purge control method for exhaust gas purifying system and exhaust gas purifying system
FR2897103B1 (fr) * 2006-02-09 2011-06-10 Peugeot Citroen Automobiles Sa Systeme et procede d'elimination de sox (oxyde de soufre), module d'arret pour ce systeme

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1150894A (ja) * 1997-07-31 1999-02-23 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JP2002155724A (ja) 2000-09-07 2002-05-31 Toyota Motor Corp 内燃機関の排気浄化装置
JP2003120373A (ja) 2001-10-15 2003-04-23 Toyota Motor Corp 内燃機関の排気浄化装置
JP2004068700A (ja) 2002-08-06 2004-03-04 Toyota Motor Corp 排気ガス浄化方法
JP2004360575A (ja) * 2003-06-04 2004-12-24 Toyota Motor Corp 内燃機関の排気浄化システム
JP2005291130A (ja) * 2004-04-01 2005-10-20 Toyota Motor Corp 内燃機関の排気浄化装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102791971A (zh) * 2010-03-15 2012-11-21 丰田自动车株式会社 内燃机的排气净化装置

Also Published As

Publication number Publication date
CN101784769B (zh) 2012-05-23
US8511070B2 (en) 2013-08-20
US20110120098A1 (en) 2011-05-26
EP2187008B1 (de) 2012-02-29
EP2187008A4 (de) 2011-06-29
JP2009062824A (ja) 2009-03-26
EP2187008A1 (de) 2010-05-19
JP4816599B2 (ja) 2011-11-16
CN101784769A (zh) 2010-07-21
ATE547595T1 (de) 2012-03-15

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